12102002102 has 4 divisors (see below), whose sum is σ = 18153003156. Its totient is φ = 6051001050.

The previous prime is 12102002089. The next prime is 12102002149. The reversal of 12102002102 is 20120020121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025500524 + ... + 3025500527.

It is an arithmetic number, because the mean of its divisors is an integer number (4538250789).

Almost surely, 2^12102002102 is an apocalyptic number.

12102002102 is a deficient number, since it is larger than the sum of its proper divisors (6051001054).

12102002102 is an equidigital number, since it uses as much as digits as its factorization.

12102002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051001053.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12102002102 its reverse (20120020121), we get a palindrome (32222022223).

The spelling of 12102002102 in words is "twelve billion, one hundred two million, two thousand, one hundred two".